I have a laptop with an unusual problem. The laptop is running Windows XP Sp2. The NIC is a 3COM wireless PC card.

The laptop is on the network and has an internal network address. It is able to browse the internet. It is able to ping any computer or server within our domain via IP address or DNS name. It is able to ping itself both via IP address, DNS name and loopback.

The problem: This laptop cannot be seen or pinged by any other computer on the network. This means that it cannot be connected to remotely via remote desktop, via VNC or via UNC.

Windows Firewall is turned off. The NIC has been uninstalled and reinstalled. The 3COM wireless card has been uninstalled and reinstalled. TCP/IP was reinstalled. Winsock has been cleared and reset. A repair install of Windows was performed.

That shouldn't matter because they all are on the LAN so technically nothing is "inbound". I did have a thought can you also describe the hardware on the network maybe your running through 2 routers or something?

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